On a road trip, I was wearing dark colored pants and, despite A/C, my leg was burning when the sun was coming in the window. I grabbed the shawl, which I had handy in case I was in the sun unexpectedly, and put it over my leg, and was immediately cooled. It made my trip much more comfy. As a sun shawl, it works great too. Same deal, cooling as well as sun shade. You would think that putting on another layer when it's hot would not be comfortable, but this blocks the heat as well as the sun so itSee full review